<script lang="ts" setup name="LoginForm">
import { ref, onUnmounted, watch } from 'vue';
import Message from '@/components/message/index';
import useStore from '@/store';
import { useRouter } from 'vue-router';
import { useCountDown } from '@/utils/hooks'

// 表单校验
import { useField, useForm } from 'vee-validate'
const { user } = useStore()
const router = useRouter()


// 控制密码登录 和账号登录的切换
const type = ref<'account' | 'mobile'>('account')
// 控制复选框的选中与不选中
const isMsgLogin = ref(false)

// 收集数据
// const form = ref(
//   {
//     account: '',
//     password: '',
//     isAgree: false
//   }
// )
// 表单校验
const { validate, resetForm } = useForm({
  // 提供校验规则
  validationSchema: {
    account: (value: string) => {
      // 校验的value值
      // value是将来使用该规则的表单元素的值
      // 1. 必填
      // 2. 6-20个字符，需要以字母开头
      // 如何反馈校验成功还是失败，返回true才是成功，其他情况失败，返回失败原因。
      if (!value) return '请输入用户名'
      if (!/^[a-zA-Z]\w{5,19}$/.test(value)) return '字母开头且6-20个字符'
      return true
    },
    password: (value: string) => {
      if (!value) return '请输入密码'
      if (!/^\w{6,12}$/.test(value)) return '密码必须是6-24位字符'
      return true
    },
    isAgree: (value: boolean) => {
      if (!value) return '请同意隐私条款'
      return true
    },
    mobile: (value: string) => {
      if (!value) return '请输入手机号'
      if (!/^1[3-9]\d{9}$/.test(value)) return '手机号格式错误'
      return true
    },
    code: (value: string) => {
      if (!value) return '请输入验证码'
      if (!/^\d{6}$/.test(value)) return '验证码格式错误'
      return true
    },
  },
  // 指定初始值（方便调试）
  initialValues: {
    mobile: '13666666666',
    code: '123456',
    account: 'xiaotuxian001',
    password: '123456',
    isAgree: true
  }
})
// value:用于表单的响应式数据 v-model='value'
// errorMessage:错误信息提示，用于实时展示 <div>errorMessage<div>
// 密码的验证
const { value: account, errorMessage: accountError } =
  useField<string>('account')
const { value: password, errorMessage: passwordError } =
  useField<string>('password')
const { value: isAgree, errorMessage: isAgreeError } =
  useField<boolean>('isAgree')

// 手机号和密码
const { value: mobile, errorMessage: mobileError, validate: validateMobile, } = useField<string>('mobile')
const { value: code, errorMessage: codeError } = useField<string>('code')



//========================================================
// 基本登录逻辑
const login = async () => {
  // 登录前的方法
  const res = await validate()
  // 没有校验通过直接return
  if (type.value === 'account') {
    // 账号登录，如果账号或密码或同意许可，任何一个，有校验错误，就return
    if (res.errors.account || res.errors.password || res.errors.isAgree) return
    await user.login(account.value, password.value)
  } else {
    if (res.errors.mobile || res.errors.code || res.errors.isAgree) return
    await user.mobileLogin(mobile.value, code.value)
  }
  Message.success('登录成功')
  router.push('/')

}

// 处理切换重置
// 监听type的变化
watch(type, () => {
  // 重置表单
  resetForm()
})



//-------------------------------------------------
// 处理发送验证码逻辑
const mobileRef = ref<HTMLInputElement | null>(null)
// 倒计时hooks
const { time, start } = useCountDown()


// 处理发送验证码逻辑
const send = async () => {
  // 如果是在倒计时的过程中，不让send按钮被重复点击
  if (time.value > 0) return // 节流 
  // 手机号通过验证，校验结果为true 才发验证码
  const res = await validateMobile()
  if (!res.valid) {
    // 校验没通过-输入框自动获取焦点
    mobileRef.value?.focus()
    return
  }
  try {
    await user.sendMobileMsg(mobile.value)
    Message.success('获取验证码成功')
  } catch {
    Message.error('获取验证码失败,请先注册账号')
    // 实现验证码
  }
  // timeId = window.setInterval(() => {
  //   time.value--
  //   if (time.value <= 0) {
  //     clearInterval(timeId)
  //   }
  // }, 1000)
  // 初始化倒计时的秒数，并
  start()// 开启定时器

}
//---------------------------------------------------------
</script>
<template>
  <div class="account-box">
    <div class="toggle">
      <a href="javascript:;" v-if="type === 'mobile'" @click="type = 'account'">
        <i class="iconfont icon-user"></i> 使用账号登录
      </a>
      <a href="javascript:;" @click="type = 'mobile'" v-else>
        <i class="iconfont icon-msg"></i> 使用短信登录
      </a>
    </div>
    <div class="form">
      <!-- 密码登录 -->
      <template v-if="type === 'account'">
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <input v-model="account" type="text" placeholder="请输入用户名或手机号" />
          </div>
          <div class="error" v-if="accountError"><i class="iconfont icon-warning" />{{ accountError }}</div>
        </div>

        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <input v-model="password" type="password" placeholder="请输入密码" />
          </div>
          <!-- 错误消息 -->
          <div class="error" v-if="passwordError">
            <i class="iconfont icon-warning" />{{ passwordError }}
          </div>
        </div>
      </template>
      <!-- 手机验证码登录 -->
      <template v-else>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <input type="text" ref="mobileRef" v-model="mobile" placeholder="请输入手机号" />
          </div>
          <div class="error" v-if="mobileError">
            <i class="iconfont icon-warning" />{{ mobileError }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-code"></i>
            <input type="text" v-model="code" placeholder="请输入验证码" />
            <span class="code" @click="send">
              {{ time === 0 ? '发送验证码' : `${time}` }}
            </span>
          </div>
          <div class="error" v-if="codeError">
            <i class="iconfont icon-warning" />{{ codeError }}
          </div>
        </div>
      </template>

      <div class="form-item">
        <div class="agree">

          <span>
            <XtxCheckbox v-model="isAgree">
              <span>我已同意</span>
            </XtxCheckbox>
          </span>

          <a href="javascript:;">《隐私条款》</a>
          <span>和</span>
          <a href="javascript:;">《服务条款》</a>
        </div>
        <div class="error" v-if="isAgreeError">
          <i class="iconfont icon-warning" />{{ isAgreeError }}
        </div>
      </div>
      <a href="javascript:;" class="btn" @click="login">登录</a>
    </div>
    <div class="action">
      <img src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png" alt="" />
      <div class="url">
        <a href="javascript:;">忘记密码</a>
        <a href="javascript:;">免费注册</a>
      </div>
    </div>
  </div>
</template>

<style scoped lang="less">
// 账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;

    a {
      color: @xtxColor;

      i {
        font-size: 14px;
      }
    }
  }

  .form {
    padding: 0 40px;

    &-item {
      margin-bottom: 28px;

      .input {
        position: relative;
        height: 36px;

        >i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }

        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;

          &.error {
            border-color: @priceColor;
          }

          &.active,
          &:focus {
            border-color: @xtxColor;
          }
        }

        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }

      >.error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;

        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }

    .agree {
      a {
        color: #069;
      }
    }

    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @xtxColor;

      &.disabled {
        background: #cfcdcd;
      }
    }
  }

  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;

    img {
      cursor: pointer;
    }

    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>
